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parissfrance09

  • one year ago

⦁ Please help me!! Which of these are examples of physical properties? Be able to defend your answers. A brown dog- A melting ice cube- A burning campfire- A bendable straw- A rusty nail-

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  1. parissfrance09
    • one year ago
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    @desuoverlord

  2. parissfrance09
    • one year ago
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    @Nnesha

  3. parissfrance09
    • one year ago
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    @pooja195

  4. parissfrance09
    • one year ago
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  5. parissfrance09
    • one year ago
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  6. anonymous
    • one year ago
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    Can you pick more than 1?

  7. parissfrance09
    • one year ago
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    yes

  8. parissfrance09
    • one year ago
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    and i have to explain why an why not

  9. anonymous
    • one year ago
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    Okay, do you have any idea which ones it might be? Hint: there's more than one

  10. parissfrance09
    • one year ago
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    melting ice burning campfire

  11. anonymous
    • one year ago
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    Alright, melting ice is correct, that is a physical change. Do you know why?

  12. parissfrance09
    • one year ago
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    no i dont

  13. anonymous
    • one year ago
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    Well, ice is just solid water, right? Frozen H2O. So basically, when you melt ice, you're just turning a solid into a liquid. Solid/liquid/gas are all a physical state of being. The chemical properties are the still same.

  14. parissfrance09
    • one year ago
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    ohhhhh

  15. anonymous
    • one year ago
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    Now, burning a campfire, that would have to be chemical. There's one more physical one. The signs of a chemical change are a change in color, formation of a precipitate, formation of a gas, odor change and temperature change. Try again keeping this in mind

  16. parissfrance09
    • one year ago
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    a rusty nail

  17. anonymous
    • one year ago
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    Rust is definitely a chemical change. It's a chemical reaction to iron and steel reacting to water and oxygen over a long period of time.

  18. anonymous
    • one year ago
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    Also, I'd actually say there are two other examples of physical properties besides a melting ice cube

  19. parissfrance09
    • one year ago
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    well is it a brown dog

  20. parissfrance09
    • one year ago
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    ohhh and bendable straw

  21. anonymous
    • one year ago
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    Yes. Do you understand why? Bending a straw changes absolutely nothing about the chemical composition of the straw, you're simply changing its /physical/ state. Now, if you had said that the dog's color changed, that would be chemical. But since it's not, the color of the dog is just one of its physical properties

  22. parissfrance09
    • one year ago
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    okay thank you so so so so so so so so so much

  23. anonymous
    • one year ago
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    No problem :) happy to help

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